girl's periods get more regular, cramps are more likely.They can be mildly annoying to extremely painful, and they usually last for a few days. Cramps may worry some girls at first if they don't know they're often a normal part of having a monthly period.<span>
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D) if you stretch after a workout it gets rid of the lactic acid. but after you stretch or cool down it could potentially contribute to all of the above because the lactic acid restricts and makes other bodily functions more difficult
C. minor strains and sprain
